用法 ``` 用法： column [選項] [<文件>...] 成列輸出內容。 選項： -t, --table create a table -n, --table-name <name> table name for JSON output -O, --table-order <columns> specify order of output columns -N, --table-columns <names> comma separated columns names -E, --table-noextreme <columns> don't count long text from the columns to column width -d, --table-noheadings don't print header -e, --table-header-repeat repeat header for each page -H, --table-hide <columns> don't print the columns -R, --table-right <columns> right align text in these columns -T, --table-truncate <columns> truncate text in the columns when necessary -W, --table-wrap <columns> wrap text in the columns when necessary -L, --table-empty-lines don't ignore empty lines -J, --json use JSON output format for table -r, --tree <column> column to use tree-like output for the table -i, --tree-id <column> line ID to specify child-parent relation -p, --tree-parent <column> parent to specify child-parent relation -c, --output-width <width> width of output in number of characters -o, --output-separator <string> columns separator for table output (default is two spaces) -s, --separator <string> possible table delimiters -x, --fillrows fill rows before columns -h, --help display this help -V, --version display version ``` 示例： ``` s="yhp as kkk\ner d fggg" echo -e $s | column -s \ -t ```